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| author | Viresh Kumar <viresh.kumar@linaro.org> | 2021-01-21 12:15:36 +0530 |
|---|---|---|
| committer | Viresh Kumar <viresh.kumar@linaro.org> | 2021-02-02 10:28:07 +0530 |
| commit | abbe348340c7df9e08fd7c24491c1be31ab65370 (patch) | |
| tree | 6f32224a209c63c6da8b1d57e1a9d0b525ba4162 /drivers/opp | |
| parent | 509e4777ca41d30808deda5ae3c1e09e3f58a33f (diff) | |
| download | linux-abbe348340c7df9e08fd7c24491c1be31ab65370.tar.gz linux-abbe348340c7df9e08fd7c24491c1be31ab65370.tar.xz | |
opp: Implement dev_pm_opp_set_opp()
The new helper dev_pm_opp_set_opp() can be used for configuring the
devices for a particular OPP and can be used by different type of
devices, even the ones which don't change frequency (like power
domains).
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Diffstat (limited to 'drivers/opp')
| -rw-r--r-- | drivers/opp/core.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/opp/core.c b/drivers/opp/core.c index 2b5584ef0350..fac84d5a1d45 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -1136,6 +1136,34 @@ put_opp_table: } EXPORT_SYMBOL_GPL(dev_pm_opp_set_rate); +/** + * dev_pm_opp_set_opp() - Configure device for OPP + * @dev: device for which we do this operation + * @opp: OPP to set to + * + * This configures the device based on the properties of the OPP passed to this + * routine. + * + * Return: 0 on success, a negative error number otherwise. + */ +int dev_pm_opp_set_opp(struct device *dev, struct dev_pm_opp *opp) +{ + struct opp_table *opp_table; + int ret; + + opp_table = _find_opp_table(dev); + if (IS_ERR(opp_table)) { + dev_err(dev, "%s: device opp doesn't exist\n", __func__); + return PTR_ERR(opp_table); + } + + ret = _set_opp(dev, opp_table, opp, opp ? opp->rate : 0); + dev_pm_opp_put_opp_table(opp_table); + + return ret; +} +EXPORT_SYMBOL_GPL(dev_pm_opp_set_opp); + /* OPP-dev Helpers */ static void _remove_opp_dev(struct opp_device *opp_dev, struct opp_table *opp_table) |